IP Telephony and Phones

Hi,is it possible and how to disable replying to SIP Ping option sent from ITSP but allowing other SIP messages? Situation is that our ITSP is using SIP ping to detect link availability, so if there is no response on SIP ping they redirect new calls ...

Hey, I have a strange problem with my Cisco Unity Subscriber, when i try to connect the admin page I get "Log on failed - invalid User ID or Password" even the username and the password is correct. I try to reset the password even I'm sure that the p...

Hi   I would like to add add multiple new IP phones models 7821 and CP8821 to the CME on ISR 2921 router, But current IOS/CME version does not support these phone models (flash:c2900-universalk9-mz.SPA.153-1.T.bin) , So I want to upgrade IOS on ISR 2...

Good afternoon, Is there a way to enable the change credential function on desktop VTCs to allow users to change their pins on extension mobility? I am in the process of enabling this function in my organization and was able to enable this on small d...

Hi all,I am using Unity Connection CallHandler for auto attendant and all is working normally. I am trying to figure out if there is away for me to tell the CallHandler to transfer incoming calls to external numbers. For example, an incoming call to ...

Hi all I have some ip phones with DNs that is not from service provider means it doesn't have privileges to call or receive from outside my organization and I have less numbers from service provider, so is there any option that allow people to call o...

Hello folks,I've got a problem with Unity Connection.  It's got the UK language pack installed and all works very nicely.I've enabled a directory handler for voice and it's answered by an American voice and I can't for the life of me figure out where...

Hi, we are deploying ISR 4321 gateways along with NIM-2BRI-NT/TE cards for voice cutover and IOS XE Software, Version 16.06.04.We are having multiple problems with BRI ports flappings and we are not able to configure properly parameters such as clock...

Hello All,     I'am facing an issue with CME 11.6 and 8811 phones that are auto registered.  How can I make permanent configurations to a phone that registers with auto registration in a voice pool.  When I make changes to the DN that the auto regist...

I'm looking at CUBE sizing, and in the installations we deal with it looks like Calls Per Second would be the limiting factor well before concurrent calls.  What I'd like try and confirm is firstly the meaning of "sustained" in the description of thi...

Hello!Does anyone ever do MLPP inter 2 CUCMS?So my configuration is like that: I have my CUCM and SBC in my network in the back of a firewall.I am going out using a n.i.p. (network interconnection point).My n.i.p. has several BGP partners.One of my p...

hi, could someone help me in a setup on MOH cme router 2900? using only sip protocol, i really don't know where to start! currently if I pause a phone call there is only silence and I would like to increase this works for both LAN and WAN calls. Than...

Dears I have CUCM version 12.5 in my environment. We have near about 2000 users. My manager wants to change the caller ID in the call manger for all the user. Also want to assign user ID to the respective extensions. Please advice for the bulk admini...